ON THE TEANSPOET OF OVA. 77 



deep, is used ; a slight layer of wet moss placed on 

 the bottom ; a thick layer of vitalized ova placed 

 on it ; another layer of wet moss inserted ; then 

 another layer of ova ; and so on, till the bottle be 

 fulL A plug of moss is then put into the neck, and 

 the bottle tied over with a piece of stout paper (after 

 the fashion used on jam-pots). The paper is pricked 

 full of holes, to let in the air. This bottle, or two or 

 three such bottles, are then placed in a box of damp 

 (not wet) moss, well packed, and that box inclosed 

 in a still larger one of the same shape, the smaller 

 box being packed in with more moss. If the 

 weather be warm, and the ova in an advanced state, 

 a few lumps of ice may be distributed amongst the 

 moss to retard hatching. In this way the ova will 

 stand any amount of shaking, and the temperature 

 will be kept down. 



This is certainly the best, the safest, and least 

 expensive method I know of for transporting ova 

 from one country to another. If the distance be 

 long, the ova should be sent off as soon as the eye 

 becomes visible, for. if too long a period be allowed to 

 elapse, the eggs may hatch on the journey, when 

 they would be lost. In this respect, if taken in 

 moderate time, there is little to fear from the eggs of 

 salmon, sea trout, or trout, as they develop slowly. 



